package com.gjm.demo.mapper;

import com.gjm.demo.model.MessageInfo;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface MessageMapper {

    //查询所有message
    @Select("select * from message_info where delete_flag = 0;")
    List<MessageInfo> queryAllMessage();

    //添加message
    @Insert("insert into message_info (`from`, `to`, message) values (#{from}, #{to}, #{message});")
    Integer insertMessage(MessageInfo messageInfo);
}
